18576008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{251}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 39508560

約数和(自身を除く): 20932552

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 232, 251, 319, 502, 638, 841, 1004, 1276, 1682, 2008, 2552, 2761, 3364, 5522, 6728, 7279, 9251, 11044, 14558, 18502, 22088, 29116, 37004, 58232, 74008, 80069, 160138, 211091, 320276, 422182, 640552, 844364, 1688728, 2322001, 4644002, 9288004, 18576008]

約数ペア:

[(1, 18576008), (2, 9288004), (4, 4644002), (8, 2322001), (11, 1688728), (22, 844364), (29, 640552), (44, 422182), (58, 320276), (88, 211091), (116, 160138), (232, 80069), (251, 74008), (319, 58232), (502, 37004), (638, 29116), (841, 22088), (1004, 18502), (1276, 14558), (1682, 11044), (2008, 9251), (2552, 7279), (2761, 6728), (3364, 5522)]